创建一个在Tkinter中打开另一个窗口的按钮

import tkinter as tk

root = tk.Tk()
root.title("主窗口")

def open_new_window():
    new_window = tk.Toplevel(root)
    new_window.title("新窗口")

button = tk.Button(root, text="打开新窗口", command=open_new_window)
button.pack()

root.mainloop()

import tkinter as tk

def open_new_window():
    new_window = tk.Toplevel(root)
    new_window.title("新窗口")

root = tk.Tk()
root.title("主窗口")

button = tk.Button(root, text="打开新窗口", command=open_new_window)
button.pack()

root.mainloop()